
Fall Protection & Respiratory
4-Gas Calibration Gas - 50% LEL Methane / 18% O2 / 25 ppm H2S / 100 ppm CO, 34-116 L
- Calgaz · MSA · Industrial Scientific
- CH4 2.5% (50% LEL) / O2 18% / H2S 25 ppm / CO 100 ppm / N2 balance

Valved NIOSH N95 respirator for hot, humid outdoor work. The exhalation valve reduces heat and moisture buildup inside the mask.
Tell us quantity, sizes and delivery city. Volume pricing and custom branding are confirmed on a written quote.
Valved NIOSH N95 respirator for hot, humid outdoor work. The exhalation valve reduces heat and moisture buildup inside the mask. • NIOSH-approved N95 • Exhalation valve keeps the face cooler and cuts eyewear fogging • Foam nose seal and adjustable nose clip • Built for roofing, concrete and masonry crews in summer • Not for use where source control is required, such as healthcare • 10 per box, 100 per case Brands we quote: 3M · Moldex · Gerson. Brand names are trademarks of their owners. Mays is an independent supplier, not an authorized agent of any brand; current manufacturer models are confirmed on your written quote.

Fall Protection & Respiratory

Fall Protection & Respiratory

Fall Protection & Respiratory

Fall Protection & Respiratory